// Returning error here is too noisy.
		return nil
	case c.outQueue <- msg:
		return nil
	}
}

// queueMsg queues a message, with an optional payload.
// sender should not reference msg.Payload
func (c *Connection) queueMsg(msg message, payload sender) error {
	// Add baseflags.
	msg.Flags.Set(c.baseFlags)
	// This cannot encode subroute.
	msg.Flags.Clear(FlagSubroute)
	if payload != nil {

      DCHECK_EQ(dy.size(), 1);
      TF_RETURN_IF_ERROR(ProcessWhileLoop(n, dy[0]));
      continue;
    }
    // All loop-specific control flow ops should have been handled above
    DCHECK(!n->IsEnter() && !n->IsNextIteration()) << n->DebugString();

    const int num_no_grad = no_grad_dy_indices.size();
    if (IsPrimitiveOpWithNoGrad(n->type_string()) || num_no_grad == num_y) {

      // But in gcd(a - b, b), a - b is even and b is odd, so we can divide out powers of two.

      // We bend over backwards to avoid branching, adapting a technique from
      // http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax

      int delta = a - b; // can't overflow, since a and b are nonnegative

      int minDeltaOrZero = delta & (delta >> (Integer.SIZE - 1));
      // equivalent to Math.min(delta, 0)

	// Start two goroutines ping-ponging on a channel send.
	// At any given time, at least one of these goroutines is runnable:
	// if the channel buffer is full, the receiver is runnable,
	// and if it is not full, the sender is runnable.
	//
	// In addition, the AfterFunc callback should become runnable after
	// the indicated delay.
	//
	// Even if GOMAXPROCS=1, we expect the runtime to eventually schedule

  Scope root = Scope::NewRootScope().ExitOnError();

  Output recv_a = ops::_Recv(root.WithOpName("recv_a"), DT_BOOL, "tensor_a",
                             "sender", 0, "receiver");
  Output recv_b = ops::_Recv(root.WithOpName("recv_b"), DT_BOOL, "tensor_b",
                             "sender", 0, "receiver");
  Output const_a = ops::Const(root.WithOpName("const_a"), 42);

  ops::ControlTrigger ctrl_trigger_a(root.WithOpName("ctrl_trigger_a"));

		}
		return role
	}())
	addControllerRole(&controllerRoles, &controllerRoleBindings, rbacv1.ClusterRole{
		ObjectMeta: metav1.ObjectMeta{Name: saRolePrefix + "persistent-volume-binder"},
		Rules: []rbacv1.PolicyRule{
			rbacv1helpers.NewRule("get", "list", "watch", "update", "create", "delete").Groups(legacyGroup).Resources("persistentvolumes").RuleOrDie(),

      // But in gcd(a - b, b), a - b is even and b is odd, so we can divide out powers of two.

      // We bend over backwards to avoid branching, adapting a technique from
      // http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax

      int delta = a - b; // can't overflow, since a and b are nonnegative

      int minDeltaOrZero = delta & (delta >> (Integer.SIZE - 1));
      // equivalent to Math.min(delta, 0)

	if !isZeroTime(modtime) {
		w.Header().Set("Last-Modified", modtime.UTC().Format(TimeFormat))
	}
}

func writeNotModified(w ResponseWriter) {
	// RFC 7232 section 4.1:
	// a sender SHOULD NOT generate representation metadata other than the
	// above listed fields unless said metadata exists for the purpose of
	// guiding cache updates (e.g., Last-Modified might be useful if the

	}

	// Sender sending more than they'd declared?
	if st.declBodyBytes != -1 && st.bodyBytes+int64(len(data)) > st.declBodyBytes {
		if !sc.inflow.take(f.Length) {
			return sc.countError("data_flow", http2streamError(id, http2ErrCodeFlowControl))
		}
		sc.sendWindowUpdate(nil, int(f.Length)) // conn-level

	boIndex           ID = 67
	boCNIndex         ID = 68
	boINIndex         ID = 69
	brIndex           ID = 70
	brFRIndex         ID = 71
	brxIndex          ID = 72
	brxINIndex        ID = 73
	bsIndex           ID = 74
	bsCyrlIndex       ID = 75
	bsCyrlBAIndex     ID = 76
	bsLatnIndex       ID = 77
	bsLatnBAIndex     ID = 78
	caIndex           ID = 79
	caADIndex         ID = 80
	caESIndex         ID = 81